package org.niu.dp;

public class JumpFloor {
    public int jumpFloor(int target) {
        int[] dp = new int[target];
        dp[0] = 1;
        dp[1] = 1;
        dp[2] = 3;
        for(int i = 2;i < target;i++){
            dp[i] = dp[i-1]+dp[i-2];
        }
        return dp[target-1];
    }
}
